# US 2021/0276473 A1 · Extendable hidden truck ramp > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0276473 A1 - Document ID: US20210276473A1 - Status: Published application - Kind: A1 - Application number: 16/813,443 - Filed: 2020-03-09 - Published: 2021-09-09 - Earliest claimed: 2020-03-09 - Inventors: John Carter - Web page: https://patentgrep.com/patent/US20210276473A1 ## CPC - B60P 1/433: {the loading floor or a part thereof being movable to form the ramp} - B62D 33/0273: {Movable tailboards for vehicles comprising non-movable sideboards, e.g. pick-up trucks (B62D33/037 takes precedence)} - B60P: VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS (vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances A61G3/00) - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) ## Abstract An extendable truck bed ramp is housed adjacent the bed of the truck and tailgate when the tailgate is lowered and open. The ramp deploys using a track system inside the bed of the truck and the tailgate respectively. The ramp contains side rails for easy access with items such as hand trucks, ATVs (All Terrain Vehicles), and other wheeled items. The method for joining a truck bed with a loading surface includes attaching at least two parallel tracks to a floor of a truck bed and to a floor side of a tailgate to form continuous tracks based on a foldout of the tailgate, permanently embedding into the at least two parallel tracks each, at least two complementary sliders and moving the truck ramp with folding side rails into a joining position between the truck bed and the loading surface via the at least four sliders attached there beneath. ## Claims ### Claim 1 A truck ramp system comprising: a. at least two parallel tracks attached to a floor of a truck bed and to a floor side of a tailgate configured to form continuous tracks based on a foldout of the tailgate; b. a truck ramp comprising folding side rails and a catch at one end to prevent a separation of the truck ramp from the at least two tracks; and c. at least four sliders complementary to and held in the at least two tracks and permanently attached to an underside of the truck ramp. ### Claim 2 (depends on 1) The truck ramp of claim 1, wherein the at least two tracks are an after-market product attached to the floor of the truck bed and to the floor side of the tailgate after the truck is manufactured. ### Claim 3 (depends on 1) The truck ramp of claim 1, wherein the at least two parallel tracks are permanently attached to the floor of the truck bed and to the floor side of the tailgate via one of steel rivets and a steel weld and other permanent fasteners. ### Claim 4 (depends on 1) The truck ramp of claim 1, further comprising folding portions of the at least two tracks, the folding portions configured part of the continuous tracks despite a foldup of the tailgate to the truck bed. ### Claim 5 (depends on 1) The truck ramp of claim 1, wherein the at least four sliders are wheels irremovably embedded into the at least two parallel tracks, two wheels per each of the at least two tracks. ### Claim 6 (depends on 1) The truck ramp of claim 1, wherein the catch comprises a metal lip configured to catch a complementary lip at an edge of a free long edge of the tailgate. ### Claim 7 (depends on 1) The truck ramp of claim 1, wherein the folding side rails are configured to lay flat against a floor side of the truck ramp and to snap into place at ninety degrees to the truck ramp floor. ### Claim 8 (depends on 1) The truck ramp of claim 1, wherein the truck ramp rolls, glides and slides within the at least two tracks via the at least 4 sliders and is always engaged there with. ### Claim 9 (depends on 1) The truck ramp of claim 1, wherein the truck ramp is stowed above and immediately adjacent the floor of the truck bed. ### Claim 10 (depends on 1) The truck ramp of claim 1, wherein a length of the truck ramp is less than or equal to a length of the truck bed. ### Claim 11 A method for joining a truck bed with a loading surface, comprising: a. attaching at least two parallel tracks to a floor of a truck bed and to a floor side of a tailgate configured to form continuous tracks based on a foldout of the tailgate; b. permanently embedding into the at least two parallel tracks each, at least two complementary sliders; c. moving a truck ramp comprising folding side rails into a joining position between the truck bed and the loading surface via the at least four sliders attached there beneath. ### Claim 12 (depends on 11) The truck ramp of claim 11, further comprising attaching at least two after-market tracks to the floor of the truck bed and to the floor side of the tailgate after the truck is manufactured. ### Claim 13 (depends on 1) The truck ramp of claim 1, further comprising attaching the at least two parallel tracks permanently to the floor of the truck bed and to the floor side of the tailgate via one of steel rivets and a steel weld and other permanent fasteners. ### Claim 14 (depends on 1) The truck ramp of claim 1, further comprising folding portions of the at least two tracks, the folding portions configured part of the continuous tracks despite a foldup of the tailgate to the truck bed. ### Claim 15 (depends on 1) The truck ramp of claim 1, further comprising irremovably embedding the at least four sliders into the at least two parallel tracks, two wheels per each of the at least two tracks. ### Claim 16 (depends on 1) The truck ramp of claim 1, further comprising catching a complementary lip at an edge of a free long edge of the tailgate via a metal lip in the catch. ### Claim 17 (depends on 1) The truck ramp of claim 1, further comprising snapping into place the folding side rails from a flat position against a floor side of the truck ramp to a position ninety degrees to the truck ramp floor. ### Claim 18 (depends on 1) The truck ramp of claim 1, further comprising rolling, gliding and sliding the truck ramp within the at least two tracks via the at least 4 sliders always engaged there with. ### Claim 19 (depends on 1) The truck ramp of claim 1, further comprising stowing the truck ramp in-track above and immediately adjacent the floor of the truck bed. ### Claim 20 (depends on 1) The truck ramp of claim 1, further comprising limiting a length of the truck ramp to less than or equal to a length of the truck bed.